Hello, On 12/21/10 8:47 AM, Deon Vermeulen wrote: no experience with jbilling, but I know people using a2billing with kamailio as well. You can implement a rating engine in mysql stored procedure quite easy -- if you follow accounting installation with siremis you have half part done (cdr generation). Also, if you look for a complete sip provider platform, check the recently launched: http://www.sipwise.com/products/spce/ It is kamailio in terms of sip routing, bundled with several other applications to make the operations easier. Cheers, Daniel -- Daniel-Constantin Mierla Kamailio (OpenSER) Advanced Training Jan 24-26, 2011, Irvine, CA, USA http://www.asipto.com